Check out North Jersey Jeep Club we meet once a month (3rd tuesday) have monthly trail rides and access to private land. As far as legal wheeling there is nothing in southern NY that is legal to the public that I know of.
North Jersey Jeep Club
2006 Ram 1500, towhore, intake tune 285 70 17 KM2s 2001 18' Parker, crawler hauler
1997 TJ, Dad's Claytons 4:88s and stuff A TJ for Dad
1992 YJ crawler, getting 60s. Build thread the illusion of progress
North Jersey Jeep Club, AtoZ Fabrication, Rozzo Fabrication